Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 281 · 40 questions

What you do (Float or sink?): 1. Fill a tub with water on a towel, with an adult nearby. 2. Guess “float” or “sink” for each object and write it in a table. 3. Gently place each object on the water and write what happens. 4. Press the sinking clay into a boat shape and try again; wipe up spills.

1. 1.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) False (b) True
2. 2.🛟 Which of these floats on water? (a) a steel spoon (b) a pebble (c) a metal key (d) an ice-cream stick
3. 3.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the tub of water (c) the kind of clay (d) the shape of the clay
4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a tub of water (d) turmeric powder
6. 6.True or false: a dry leaf floats on water. (a) False (b) True
7. 7.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
8. 8.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) yeast (d) a balloon
10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) whether it floats (c) the kind of clay (d) the shape of the clay
11. 11.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
12. 12.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) a results table (c) a towel for spills (d) small test objects
13. 13.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it bounces up (c) it sinks (d) it dissolves
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a tub of water (d) turmeric powder
15. 15.🧊 Why does an ice cube float on water? (a) ice is very cold (b) water is sticky (c) ice is magnetic (d) ice is less dense
16. 16.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it dissolves (d) it still floats
17. 17.🛟 Which of these sinks in water? (a) a ping-pong ball (b) an empty capped bottle (c) a ball of clay (d) an ice cube
18. 18.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) leave water on the floor (d) run around the tub
19. 19.🛟 Which of these floats on water? (a) a cork (b) a pebble (c) a metal key (d) a ball of clay
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) False (b) True
21. 21.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an ice-cream stick (c) an iron nail (d) a feather
22. 22.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a tub of water (d) a balloon
24. 24.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
25. 25.🛟 Which of these sinks in water? (a) an ice cube (b) a ping-pong ball (c) an empty capped bottle (d) a coin
26. 26.🛟 Which of these floats on water? (a) a steel spoon (b) a feather (c) a ball of clay (d) a glass marble
27. 27.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it sinks faster (c) it dissolves (d) it can float
28. 28.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a mirror (d) small test objects
29. 29.True or false: a ping-pong ball sinks in water. (a) False (b) True
30. 30.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
31. 31.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) False (b) True
32. 32.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
33. 33.🔍 Which is the odd one out? (a) a piece of thermocol (b) a ball of clay (c) a steel spoon (d) an iron nail
34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) yeast (d) small test objects
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a mirror (d) small test objects
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) False (b) True
38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a towel for spills (c) a results table (d) small test objects
39. 39.🛟 Which of these sinks in water? (a) a pebble (b) a dry leaf (c) an ice cube (d) a cork
40. 40.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False

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